Try Our Apps


Supposedly vs. Supposably


[uhn-trooth-fuh l] /ʌnˈtruθ fəl/
not truthful; wanting in veracity; diverging from or contrary to the truth; not corresponding with fact or reality.
Origin of untruthful
1325-75; Middle English; see un-1, truthful
Related forms
untruthfully, adverb
untruthfulness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for untruthful
Contemporary Examples
Historical Examples
  • Every one knows that there is nothing so untruthful as Anno Domini, and Im convinced that neither of us is a day more than thirty.

    The Bishop's Apron W. Somerset Maugham
  • Nature is real, and why should man alone be untruthful and unreal?

    A Day's Ride Charles James Lever
  • He was also a kleptomaniac, and, of course, untruthful into the bargain.

  • There can be no question that he was idle, untruthful, and unreliable.

    A Great Man Arnold Bennett
  • If it is really so, then John was ashamed as an ordinary man, to have been untruthful in his writing and to have worn disguise.

    The Growth of a Soul August Strindberg
British Dictionary definitions for untruthful


(of a person) given to lying
diverging from the truth; untrue
Derived Forms
untruthfully, adverb
untruthfulness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for untruthful

Few English speakers likely know this word

Word Value for untruthful

Scrabble Words With Friends

Nearby words for untruthful